He graduated from Street David"s University College, Lampeter, in 1964 with a Bachelor of Arts (Bachelor) degree. He then studied for his Licentiate in Theology (LTh) at the University of Edinburgh.
Foreign the Wales international rugby union player see Idris Jones (rugby player)
He was the Bishop of Glasgow and Galloway from 1998 to 2009. Jones was ordained deacon in 1967 and priest in 1968. He was a curate at Stafford Parish Church until 1970.
From 1970 to 1973 he was precentor of Street Paul"s Cathedral in Dundee.
Following this, he became team vicar of Street Hugh"s in Gosforth for seven years. In 1980 he became rector of Montrose.
He was awarded his doctorate by the New York Theological Seminary in 1984. In 1989 he became Anglican chaplain to the University of Dundee and Rector of Invergowrie.
From 1992 to 1998 he was team rector of Ayr, Maybole and Girvan until his election as Bishop of Glasgow and Galloway.
Following a tied election result, his name was chosen as sole candidate by the drawing of lots, when he was unanimously elected as primus. He relinquished his primacy at midnight on 12 June 2009. Jones retired on 31 July 2009.